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PubMed1978

[Natal teeth].

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Female↗
PubMed2004

Anencephalic infant with cleft palate and natal teeth: a case report.

OBJECTIVE: Natal/neonatal teeth are very common in children with complete unilateral and bilateral cleft lip and palate. This article outlines a patient with intrauterine growth retardation, anencephaly, atrial septal defect, ventricular septal defect, two maxillary first natal incisor teeth, cleft palate, short neck, low-set ears, hypertelorism, retrognathia, and simian-line on the right hand. There is no conclusive evidence of a correlation between these findings and a known syndrome, suggesting that this case may be a hitherto undefined clinical combination with neonatal teeth.

Abnormalities, Multiple↗
PubMed1998

Natal teeth: review of the literature and report of an unusual case.

An unusual case of a newborn with 12 erupted teeth is presented. Epidemiological, etiological, and therapeutical aspects of this developmental disturbance of dentition is reviewed in order to establish guidelines for the dentist and neonatologist to manage this problem with minimal damage to the future teeth and the patient.

Humans↗
PubMed2005

Natal teeth: a potential impediment to nasoalveolar molding in infants with cleft lip and palate.

The purpose of this article is to describe two cases of bilateral cleft lip and palate with natal/neonatal teeth. Clinical features, prevalence, possible complications, and treatment modalities are discussed. Two patients with cleft lip and palate and natal/neonatal teeth are described. The first patient was a 4-week-old infant with bilateral cleft lip and palate. On initial inspection an odontogenic vestige was noticed on the right lateral border of the premaxillary segment, bordering the cleft. The second patient was a newborn with a vestige on the right side of the premaxilla. At 20 days, another swelling representing a neonatal tooth on the left side was found. Because the teeth interfered with the fabrication and application of the nasoalveolar molding (NAM) appliance, they were removed from both patients. In the first patient, at 1 week after extraction, the NAM device was placed without difficulty. At 8 months, the infant had adapted well to the NAM device and nursed without problems. The second patient did not follow-up for the placement of the NAM device. In patients with cleft lip and palate with natal/neonatal teeth who require NAM, the tooth must be removed to facilitate the fabrication and placement of the device. Natal/neonatal teeth must be extracted with caution because the tooth buds of neighboring teeth may be damaged and remnants of the dental papillae may be left behind. Although general anesthesia is not always indicated for the removal of these teeth, in cases in which the premaxilla is loose, such as the current cases, general anesthesia is warranted.

Cleft Lip↗
PubMed2006

[Natal and neonatal teeth].

Natal teeth have been defined as teeth which are present at birth, while neonatal teeth erupt during the first 30 days. Their occurrence is rare, the prevalence ranges from 1:2000 to 1:3000 with a higher frequency in the lip and palate clefts and syndroms. In about 85% natal or neonatal teeth are lower central incisors (60% in pairs), rare are upper teeth, molars and multiple teeth. In almost 90% they are part of the deciduous dentition. A lot of possible causes of early eruption are discussed, but only the relation to hereditary factors seems to be evident. An autosomal dominant trait is often described. The appearance of these teeth is dependent on the degree of maturity, but most of the time it is loose, small, discoloured and hypoplastic. Histologically, enamel hypoplasia with normal prism structure is apparent. No significant disturbances of the dentin structures are observed, only cervically dentin becomes atubular with spaces and enclosed cells. A large vascular pulp and failure of root formation are further investigations. Our microhardness measurements showed values from 24.3-32.4 KHN for enamel and 48.3-62.2 KHN for dentin, while normal deciduous teeth have an enamel hardness of 322.0 +/- 17.5 KHN. The thickness of enamel was never more than 280 microm compared to up to 1200 microm in normal teeth. This shows the retarded development of natal and neonatal teeth, because mineralization has not finished at the time of birth. In accordance with developmental age tooth structure and appearence are normal. In consideration of complications as Riga-Fede-disease, feeding problems, possibility of infection and hypermobility most of the time extraction is the treatment of choice, but in the interest of protecting the child this decision should be made carefully.

Breast↗
PubMed1984

Crown area as an indicator of changing crown size in human pre-natal teeth.

This study deals with correlations of tooth size in human primary teeth. Traditionally, mesiodistal or buccolingual measurements have been used to express crown size. However, in this study, crown area was used as a reference parameter. Graphic reconstructions of 38 histologically prepared human fetuses with Crown-Rump Length (CRL) between 54 and 280 mm were used to obtain linear and area measurements. Based on clinical records and physical examinations, these fetuses were considered typical-for-age, or "normal". Correlation matrices indicated high levels of concordance among all developing deciduous tooth crowns and arch measurements. It was concluded that crown area is a statistically better trait to use in comparison of teeth rather than the traditional mesiodistal measurement.

Body Height↗